Make waf compatible with spaces in simulation names, include paths, lib paths, etc.

Add a test case to ensure that we continue to support simulations with spaces in the filename.

git-svn-id: svn+ssh://svn.code.sf.net/p/xmds/code/trunk/xpdeint@2872 41b19578-b77a-4e3b-9682-c8570d237623